@misc{indiciae49002fdc3ac3,
  title = {Trace element data for rock samples from the Petersburg, and parts of the Port Alexander and Sumdum quadrangles, southeastern Alaska},
  author = {S. M. Hart and R. D. Koch and J. D. Hoffman and G.W. Day and S. J. Sutley and S.K. McDanal},
  year = {1985},
  doi = {10.3133/ofr85146},
  url = {https://pubs.usgs.gov/publication/ofr85146},
  note = {Source identifier: ofr85146}
}